ashworth college BU460 Online Exam 2 latest 2016 march

Question 1 of 20 5.0/
5.0 PointsWhich of the following is NOT an advantage of client/server
computing over centralized mainframe computing? A. It is easy to expand capacity by adding servers and
clients. B. Each client added to the network increases the network’s
overall capacity and transmission speeds. C. Client/server networks are less vulnerable, in part
because the processing load is balanced over many powerful smaller computers
rather than concentrated in a single huge computer. D. There is less risk that a system will completely
malfunction because backup or mirror servers can pick up the slack if one
server goes down. Question 2 of 20 5.0/
5.0 PointsWhich of the following statements about client/server
computing is true? A. It exploded the available communications capacity. B. It provided communication rules and regulations. C. It connects multiple powerful personal computers together
in one network with one or more servers dedicated to common functions that they
all need. D. It does not provide sufficient computing capacity to
support graphics or color. Question 3 of 20 5.0/
5.0 PointsThe __________ is a consortium of corporations, government
agencies, and nonprofit organizations that monitors Internet policies and
practices. A. Internet Engineering Steering Group (IESG) B. World Wide Web Consortium (W3C) C. Internet Engineering Task Force (IETF) D. Internet Society (ISOC) Question 4 of 20 5.0/
5.0 PointsWhich of the following was the “killer app” of
2012? A. Blogs B. Social networks C. Tablet PCs D. Search engines Question 5 of 20 5.0/
5.0 PointsIn the address http://www.company.com/clients.html, which of
the following is the top-level domain? A. .com B. company.com C. www D. http Question 6 of 20 5.0/
5.0 PointsWhich of the following is a high-speed, medium-range,
broadband wireless metropolitan area network? A. Wi-Fi B. WiMAX C. Bluetooth D. ZigBee Question 7 of 20 5.0/
5.0 PointsWhich of the following is currently the most popular Web
browser? A. Internet Explorer B. Netscape C. Safari D. Firefox Question 8 of 20 5.0/
5.0 PointsThe concept behind document formatting had its roots in
which of the following? A. XML B. SGML C. HTML D. GML Question 9 of 20 5.0/
5.0 PointsA(n) __________ is a Web application that allows users to
easily add and edit content on a Web page. A. wiki B. podcast C. blog D. RSS feed Question 10 of 20 5.0/
5.0 PointsWhich of the following is a Web 2.0 service or application? A. E-mail B. Wikis C. IM D. Online forums Question 11 of 20 5.0/
5.0 PointsAn Internet-enabled media player would run in which layer of
Internet architecture? A. Network Technology Substrate layer B. Middleware Services layer C. Transport Services and Representation Standards layer D. Applications layer Question 12 of 20 5.0/
5.0 PointsWhich of the following statements about iPhone apps is NOT
true? A. They are distributed through Apple’s App Store. B. They are typically written in the Java programming
language. C. They were estimated to generate over $2 billion in 2012. D. More than 30 billion have been downloaded. Question 13 of 20 5.0/
5.0 Points __________ is one of the original Internet services and is
used to transfer files from a server computer to a client computer and vice
versa. A. SMTP B. FTP C. HTTP D. SSL Question 14 of 20 5.0/
5.0 Points An IPv4 address is expressed as a: A. 32-bit number that appears as a series of four separate
numbers separated by semicolons. B. 64-bit number that appears as a series of four separate
numbers separated by semicolons. C. 64-bit number that appears as a series of four separate
numbers separated by periods. D. 32-bit number that appears as a series of four separate
numbers separated by periods. Question 15 of 20 5.0/
5.0 PointsWhich of the following is NOT true about the mobile
platform? A. Most smartphones use Intel chips. B. The number of cell phones worldwide exceeds the number of
PCs. C. About 25% of the world’s cell phones are smartphones. D. Unlike PCs, smartphones do not need fans. Question 16 of 20 5.0/
5.0 PointsThe backbone of the Internet is formed by: A. Internet Exchange Points (IXP)s. B. Network Service Providers (NSPs). C. Internet Service Providers (ISPs). D. Metropolitan Area Exchanges (MAEs). Question 17 of 20 5.0/
5.0 PointsA(n) __________ is an audio presentation stored as an audio
file and posted to the Web for users to download. A. podcast B. RSS subscription C. weblog D. widget Question 18 of 20 5.0/
5.0 PointsDuring which phase of the development of the Internet was
ARPANET invented? A. Commercialization phase B. Institutional phase C. Innovation phase D. Consolidation phase Question 19 of 20 5.0/
5.0 PointsThe layer of Internet architecture that ties the
applications to the communications network and includes such services as
security and authentication is called the: A. Network Technology Substrate layer. B. Middleware Services layer. C. Transport Services and Representation Standards layer. D. Applications layer. Question 20 of 20 5.0/
5.0 PointsThe Transport Layer of TCP/IP is responsible for which of
the following? A. Placing packets on and receiving them from the network
medium B. Addressing, packaging, and routing messages C. Providing communication with the application by
acknowledging and sequencing the packets to and from the application D. Providing a variety of applications with the ability to
access the services of the lower layers